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Description of Glugoides

Monomorphic, monokaryotic throughout life cycle; transmission by ingestion of spores; merogonial plasmodia, with a small number of nuclei lie in a parasitophorous vacuole of host cell origin and release daughter cells by plasmotomy; number of merogonial generations unknown, possibly only one; sporogonial plasmodium divides by plasmotomy ultimately to give at least 16 sporoblasts inside a thin-walled sporophorous vesicle; vesicle envelope is formed by duplication of the plasma membrane of the sporont; spores, 2.4-2.7 x 1.1-1.7 µm, slightly asymmetrical, oval to slightly kidney-shaped and uninucleate; exospore has two layers, the external one more dense; polaroplast has two lamellar parts, the anterior lamellae being more closely packed; polar tube is isofilar with 5-8 (usually 6) coils in a single rank; some similarity between this genus and the genera Endoreticulatus and Flabelliforma - Endoreticulatus, however has no sporophorous vesicle and its sporogonial stages lie in a parasitophorous vacuole, Flabelliforma develops inside a sporophorous vesicle but its sporogonial plasmodia divide by fan-shaped budding; type species G. intestinalis (in gut epithelium of Daphnia magna and D. pulex (Crustacea, Phyllopoda).

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